<template>
  <el-form
    ref="loginForm"
    :model="form"
    :rules="rules"
    label-width="0"
    size="large"
    @keyup.enter="login"
  >
    <el-form-item prop="user">
      <el-input
        v-model="form.user"
        prefix-icon="el-icon-user"
        clearable
        :placeholder="$t('login.userPlaceholder')"
      >
        <template #append>
          <el-select
            v-model="userType"
            style="width: 130px;"
          >
            <el-option
              :label="$t('login.admin')"
              value="admin"
            />
            <el-option
              :label="$t('login.user')"
              value="user"
            />
          </el-select>
        </template>
      </el-input>
    </el-form-item>
    <el-form-item prop="password">
      <el-input
        v-model="form.password"
        prefix-icon="el-icon-lock"
        clearable
        show-password
        :placeholder="$t('login.PWPlaceholder')"
      />
    </el-form-item>
    <el-form-item style="margin-bottom: 10px;">
      <el-col :span="12">
        <el-checkbox
          v-model="form.autologin"
          :label="$t('login.rememberMe')"
        />
      </el-col>
      <el-col
        :span="12"
        class="login-forgot"
      >
        <router-link to="/reset_password">
          {{ $t('login.forgetPassword') }}？
        </router-link>
      </el-col>
    </el-form-item>
    <el-form-item>
      <el-button
        type="primary"
        style="width: 100%;"
        :loading="islogin"
        round
        @click="login"
      >
        {{ $t('login.signIn') }}
      </el-button>
    </el-form-item>
    <div class="login-reg">
      {{ $t('login.noAccount') }} <router-link to="/user_register">
        {{ $t('login.createAccount') }}
      </router-link>
    </div>
  </el-form>
</template>

<script>
export default {
  data() {
    return {
      userType: 'admin',
      form: {
        user: "admin",
        password: "admin",
        autologin: false
      },
      rules: {
        user: [
          {required: true, message: this.$t('login.userError'), trigger: 'blur'}
        ],
        password: [
          {required: true, message: this.$t('login.PWError'), trigger: 'blur'}
        ]
      },
      islogin: false,
    }
  },
  watch:{
    userType(val){
      if(val == 'admin'){
        this.form.user = 'admin'
        this.form.password = 'admin'
      }else if(val == 'user'){
        this.form.user = 'user'
        this.form.password = 'user'
      }
    }
  },
  mounted() {

  },
  methods: {
    async login(){

      var validate = await this.$refs.loginForm.validate().catch(()=>{})
      if(!validate){ return false }

      this.islogin = true
      var data = {
        username: this.form.user,
        password: this.$TOOL.crypto.MD5(this.form.password)
      }
      //获取token
      var user = await this.$API.auth.token.post(data)
      if(user.code == 200){
        this.$TOOL.cookie.set("TOKEN", user.data.token, {
          expires: this.form.autologin? 24*60*60 : 0
        })
        this.$TOOL.data.set("USER_INFO", user.data.userInfo)
      }else{
        this.islogin = false
        this.$message.warning(user.message)
        return false
      }
      //获取菜单
      var menu = null
      if(this.form.user == 'admin'){
        menu = await this.$API.system.menu.myMenus.get()
      }else{
        menu = await this.$API.demo.menu.get()
      }
      if(menu.code == 200){
        if(menu.data.menu.length==0){
          this.islogin = false
          this.$alert("当前用户无任何菜单权限，请联系系统管理员", "无权限访问", {
            type: 'error',
            center: true
          })
          return false
        }
        this.$TOOL.data.set("MENU", menu.data.menu)
        this.$TOOL.data.set("PERMISSIONS", menu.data.permissions)
        this.$TOOL.data.set("DASHBOARDGRID", menu.data.dashboardGrid)
      }else{
        this.islogin = false
        this.$message.warning(menu.message)
        return false
      }

      this.$router.replace({
        path: '/'
      })
      this.$message.success("Login Success 登录成功")
      this.islogin = false
    },
  }
}
</script>

<style>
</style>
